Memory refers to the SDRAM (a kind of RAM) found on the Raspberry Pi.
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2answers
25 views
How is memory split by CMA?
The post at http://www.raspberrypi.org/phpBB3/viewtopic.php?f=29&t=19334&p=218282&hilit=cma#p217665 mentions that:-
gpu_mem_512=316
cma_lwm=16
cma_hwm=32
In the above ARM has 96M ...
3
votes
1answer
143 views
Unable to enable unlock 512MB RAM of Model B
I want to set RAM to 384MB. I've tried several things to try and get the RAM above the 184MB shown below by running free -h
total used free shared buffers cached
...
0
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1answer
277 views
How can I increase the size of the ram disk
In Debian Wheezy If I make a ram disk with
mke2fs -m 0 /dev/ram0
mount /dev/ram0 /mnt/ramdisk
I get a ram disk 3.9M in size. I could really do with 16M, is there a way of making the ram disk ...
0
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2answers
157 views
How can I change the frequency?
I would like to change the frequency of the RPI, how can I do that, I'm using low level programming. Also how can I get the used memory and free memory?
3
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1answer
1k views
how to know if my Raspberrypi's Ram size is 265MB or 512MB
I've just bought a new raspberry pi as a 512Mb Ram but this website is saying that if my chip contains 2G so it is 265 Ram which is my case my chip number is
k4p2g324ed-agc1
, so if you are ...
8
votes
1answer
603 views
256 or 512 MB for a webserver
I'm planning to buy a Raspberry Pi, a college of mine has a 256 MB left. But I don't know if 256 MB of memory can for fill the things I want to run.
I want to run an Apache web server (or an other ...
6
votes
2answers
2k views
How do I set the memory split for 512MB model?
I have just received supposingly 512MB model however there are no options for memory split...
Running the latest greatest 2012-09-18-wheezy-raspbian.img
See the video question (30 sec): ...
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1answer
2k views
Memory display on Raspberry Pi running raspbmc
After lying around few months, finally I setup my Pi with raspbmc. But after starting up and when I went to see Systeminfo, it's showing 122MB max memory.
Did I receive model A, which is with a ...
0
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0answers
817 views
aMule and Deluge on Raspberry Pi
I'm already using my Pi as a media center, now I would also like to transform it into my download center. I've seen that both deluged and amule-daemon packages are available, but the question is, will ...
6
votes
2answers
439 views
Is it a good idea to mount /var in memory?
Re this answer: http://raspberrypi.stackexchange.com/a/867/339
It is suggested that /var be mounted in memory, so to avoid causing your root partition to fill accidentally.
I've got a couple of ...
34
votes
2answers
19k views
What is the optimum split of main versus GPU memory?
I read that it's possible to allocate either 128MB, 64MB or 32MB to the Raspberry Pi's video memory.
Given that my primary use case for this machine is educational: I will be running lightweight ...
8
votes
1answer
2k views
Is it safe to remove the xserver?
I do not use a digital monitor and no TV either with my Raspberry Pi. I would like to remove unnecessary packages, to save disk space and memory consumption. I would like to preserve the possibility ...
19
votes
1answer
2k views
How does memory-mapped I/O addressing work?
How does memory-mapped I/O addressing work?
I'm trying to understand a sample supplied I2S: Anyone got it running?.
Configuring Clocks:
#define BCM2708_PERI_BASE 0x20000000
#define ...
9
votes
3answers
356 views
Is it possible to control a SRAM module via the GPIO pins?
I would like to attach a SRAM module to the RasPi.
My idea is to store sensitive (encrypted) data on the SD card but keep the key on a SRAM module. It would have its own backup battery (or ...
24
votes
4answers
9k views
How to set up swap space?
Raspberry Pi has only 256 MB of RAM, so I would like to use swap space (either on SD card or attached USB storage). How do I set it up?
